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Figure 1
Schematic view of the FLASH facility (not to scale). In the radio-frequency (RF) gun electron bunches are generated by a picosecond laser pulse imaged onto the photocathode. Electron bunches are then accelerated by superconducting RF cavities and delivered to the downstream undulator systems. The FLASH facility features two parallel undulator systems, FLASH1 and FLASH2. In addition to its main undulator, the FLASH1 branch features a variable-gap undulator system dedicated to seeding studies (sFLASH). Images of the FEL radiation produced by each of the three beamlines, as well as an averaged wavelength spectrum of FLASH1 and sFLASH, measured during the simultaneous operation, are shown.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 5| September 2016| Pages 1070-1075
https://doi.org/10.1107/S1600577516009620
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